S1800 Marine Model Ice Machines – Service Manual - Manitowoc Ice

Refrigeration System Section 7
INSTALLATION/VISUAL INSPECTION CHECKLIST WATER SYSTEM CHECKLIST
Possible Problem Corrective Action
Ice machine is not level Level the ice machine
Condenser is dirty Clean the condenser
Water filtration is plugged (if
used)
Install a new water filter
Water drains are not run
separately and/or are not
vented
Line set is improperly
installed
Run and vent drains
according to the Installation
Manual
Reinstall according to the
Installation Manual
A water-related problem often causes the same
symptoms as a refrigeration system component
malfunction.
Water system problems must be identified and
eliminated prior to replacing refrigeration components.
Possible Problem Corrective Action
Water area (evaporator) is
dirty
Clean as needed
Water inlet pressure not
between 20 and 80 psi
(1-5 Bar, 138- 552 kPa)
Incoming water temperature
is not between 35°F (1.6°C)
and 90°F (32.2°C).
Water filtration is plugged (if
used)
Water dump valve leaking
during the freeze cycle
Vent tube is not installed on
water outlet drain
Hoses, fittings, etc., are
leaking water
Install a water regulator valve
or increase the water
pressure
If too hot, check the hot water
line check valves in other
store equipment
Install a new water filter
Clean/replace dump valve as
needed
See Installation Instructions
Repair/replace as needed
Water fill valve is stuck open Clean/replace as needed
Water is spraying out of the Stop the water spray
sump trough area
Uneven water flow across the Clean the ice machine
evaporator
Water is freezing behind the Correct the water flow
evaporator
Plastic extrusions and Remount/replace as needed
gaskets are not secured to
the evaporator
7-6 Part Number 80-1634-3